HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → 6-Acetamido-3-butyl-phthalide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 6-Amino-3-butyl-phthalide | HCID 9877706 | — |
| Catalyst | Sulfuric Acid | HCID 1118 | — |
| Product | 6-Acetamido-3-butyl-phthalide | HCID 23274789 | — |
Reaction Steps
A mixture of 0.3 g (1.55 mmol) of compound obtained in Example 4 and 3 ml of acetic anhydride and 1 drop of sulphuric acid is heated until dissolved and kept for 15 minutes. On cooling, white crystals are separated and recrystallised from ethanol to give the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06689808B2 |
| Source dataset | uspto-grants-2004_02 |
| ORD ID | ord-81c4823dbdd94991bc66b6b331e39091 |
| Source note | uspto-grants-2004_02 |